587 



Fig. 8. 



Cerebellum, 

 lat. lobe 



Granular layer 

 Molecular layer — 



Lobus lin. lat. - 



Cerebellar crest 

 Arcuate fibers 

 from L. 1. 1. 



Mbynert's bundle, 

 cerebellar portion 

 Tr. tecto-cerebell. 

 Tuberc. acust. 



Tr. med. bundle 

 Trig, dors. 



Trig, spinal. 



Trig, ventr. 



Decussation of 



fasc. long, post.? 



Sec. vagus bundle 



Tr. tecto-bulb. — 



relation to the cerebellar crest. These facts furnish abundant evidence 

 that the Lobus trigemini of Goronowitsch is a part of the tuberculum 

 acusticum, an interpretation which Kingsbury ('97) has suggested from 

 their general appearance in ordinary preparations. Kingsbury has 

 also pointed out the non-identity of the L. trigemini of Mayser ('81) 

 in Teleosts and of Goronowitsch in Acipenser, a distinction which 

 the facts in the present paper further emphasize. The Lobus trigemini 

 of Acipenser is the same as the structure of that name in sharks. It 



